Yay is this it?
…”The Shevet HaKehosi (1:7) brings from the Yosef Ometz”…
“Dressing
The Mogen Avrohom brings from sources in Kabbalah that you should not put on two articles of clothing at one time because it makes you forget things (Kosheh L’Shikcha).
It is brought from the Arizal that a certain holy light cannot envelop the inner garment if put on in this manner. It seems from both the Mogen Avrohom and the Arizal that taking off two garments at once is permitted.
We find some great tzaddikim (including Rav Aharon MiBelz and the Shulchan HaTahor of Komarna) were Makpid not to take off two garments at once.
Why? The Shevet HaKehosi (1:7) brings from the Yosef Ometz that if you take off for example two shirts at once, since they remain stuck one inside the other, when you get dressed again you may put them both on together. Therefore in order to avoid such an occurrence you should take of each garment separately.”
From Revach